茶多酚抗牙菌斑作用的体内研究

The antiplaque effect of tea polyphenols in vivo

目的：研究茶多酚对人牙菌斑的控制作用。方法：选择１０位志愿者的６０个牙进行短期含漱试验，以０．２％乙醇为阴性对照，０．２％洗必太液为阳性对照，以菌斑指数（ＰＬＩ））代表控制菌斑的结果。结果：０．５％绿茶多酚漱口后，ＰＬＩ值明显低于阴性对照组（Ｐ＜０．００１）。ＰＬＩ值下降了３３％。用加ＮａＦ的茶多酚液含漱后，ＰＬＩ值比未加ＮａＦ的茶多酚液下降了２２％（Ｐ＜０．００１）。结论：茶多酚能有效去除菌斑，且与氟有协同作用。

Aim: To investigate the effect of tea polyphenols (TP) on dental plaque in vivo. Methods: We selected 60 teeth of 10 volunteers to attend the short-term mouth rinsing test, and took 0.2% ethanol as placebo, 0.2% chlorhexidine as positive contrast, plaque index(PLI) was recorded to present plaque control effect. Results: PLI after rinsing with 0.5% GTP (Green Tea Polyphenols) lowered about 33% than that of the passive control team( P <0.001). PLI after rinsing with TP solution containing fluoride lowered about 22% than that after rinsing with TP solution without fluoride( P <0.001). Conclusions: TP can remove dental plaque effectively, but the antiplque effect is less than that of chlorhexidine.